mirror of
https://github.com/christianselig/apollo-backend
synced 2024-11-15 08:27:42 +00:00
86 lines
1.9 KiB
Go
86 lines
1.9 KiB
Go
package cmdutil
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import (
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"context"
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"fmt"
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"os"
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"time"
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"github.com/DataDog/datadog-go/statsd"
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"github.com/adjust/rmq/v5"
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"github.com/go-redis/redis/v8"
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"github.com/jackc/pgx/v4/pgxpool"
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"go.uber.org/zap"
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)
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func NewLogger(service string) *zap.Logger {
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env := os.Getenv("ENV")
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logger, _ := zap.NewProduction(zap.Fields(
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zap.String("env", env),
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zap.String("service", service),
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))
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if env == "" || env == "development" {
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logger, _ = zap.NewDevelopment()
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}
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return logger
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}
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func NewStatsdClient(tags ...string) (*statsd.Client, error) {
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if env := os.Getenv("ENV"); env != "" {
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tags = append(tags, fmt.Sprintf("env:%s", env))
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}
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return statsd.New(os.Getenv("STATSD_URL"), statsd.WithTags(tags))
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}
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func NewRedisClient(ctx context.Context, maxConns int) (*redis.Client, error) {
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opt, err := redis.ParseURL(os.Getenv("REDIS_URL"))
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if err != nil {
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return nil, err
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}
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opt.PoolSize = maxConns
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client := redis.NewClient(opt)
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if err := client.Ping(ctx).Err(); err != nil {
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return nil, err
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}
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return client, nil
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}
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func NewDatabasePool(ctx context.Context, maxConns int) (*pgxpool.Pool, error) {
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if maxConns == 0 {
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maxConns = 1
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}
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url := fmt.Sprintf(
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"%s?pool_max_conns=%d&pool_min_conns=%d",
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os.Getenv("DATABASE_CONNECTION_POOL_URL"),
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maxConns,
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2,
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)
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config, err := pgxpool.ParseConfig(url)
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if err != nil {
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return nil, err
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}
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// Setting the build statement cache to nil helps this work with pgbouncer
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config.ConnConfig.BuildStatementCache = nil
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config.ConnConfig.PreferSimpleProtocol = true
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config.MaxConnLifetime = 1 * time.Hour
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config.MaxConnIdleTime = 30 * time.Second
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return pgxpool.ConnectConfig(ctx, config)
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}
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func NewQueueClient(logger *zap.Logger, conn *redis.Client, identifier string) (rmq.Connection, error) {
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errChan := make(chan error, 10)
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go func() {
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for err := range errChan {
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logger.Error("error occurred within queue", zap.Error(err))
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}
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}()
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return rmq.OpenConnectionWithRedisClient(identifier, conn, errChan)
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}
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